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An ATSC 3.0 Transmitter for GNU Radio
License: GNU General Public License v3.0
This project forked from drmpeg/gr-atsc3
An ATSC 3.0 Transmitter for GNU Radio
License: GNU General Public License v3.0
# Copyright 2021-2023 Ron Economos # # This file is part of gr-atsc3 # # gr-atsc3 is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3, or (at your option) # any later version. # # gr-atsc3 is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with gr-atsc3; see the file COPYING. If not, write to # the Free Software Foundation, Inc., 51 Franklin Street, # Boston, MA 02110-1301, USA. gr-atsc3 ====== Author: Ron Economos Email: <[email protected]> The goal of this project is to build a software-defined ATSC 3.0 transmitter, based on the A322 Physical Layer Protocol and A321 System Discovery and Signaling specifications. https://prdatsc.wpenginepowered.com/wp-content/uploads/2022/11/A322-2022-11-Physical-Layer-Protocol.pdf https://prdatsc.wpenginepowered.com/wp-content/uploads/2022/04/A321-2022-03-System-Discovery-and-Signaling.pdf The baseline implementation has been verified against the ATSC 3.0 validation and verification suite. The current implementation only supports Transport Stream input. A test flow graph is available in examples/vv031.grc. The parameters match the ~15 dB S/N of ATSC 1.0 at 21.343539 Mbps. The test stream is available here: https://www.w6rz.net/advatsc3.ts A Transport Stream bit-rate calculator is available here: https://github.com/drmpeg/dtv-utils/blob/master/atsc3rate.c https://github.com/drmpeg/dtv-utils/blob/master/atsc3rate.h I'd like to thank Clayton Smith VE3IRR https://github.com/argilo for his invaluable help with debugging, interpreting the specification and calibration of the bootstrap resampler. Features not implemented: 1) Mixed Time and Frequency Division Multiplexing 2) Convolutional Delay Line (CDL) 3) Channel bonding 4) L1-Detail segmentation 5) L1-Detail additional parity 6) MIMO 7) ACE PAPR reduction 8) Baseband frame counter 9) Transmitter Identification (TxID) 10) IP packet input Build instructions: mkdir build cd build cmake ../ make sudo make install sudo ldconfig Contributions are welcome!
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